<?php
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;

class TokenTest extends PHPUnit_Framework_TestCase {

  private $http;

  public function setUp() {
    $this->client = new Token();
    $this->client->http = new p3k\HTTPTest(dirname(__FILE__).'/data/');
  }

  private function token($params) {
    $request = new Request($params);
    $response = new Response();
    return $this->client->token($request, $response);
  }

  public function testMissingURL() {
    $response = $this->token([]);

    $body = $response->getContent();
    $this->assertEquals(400, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('invalid_request', $data->error);
  }

  public function testInvalidURL() {
    $url = 'ftp://example.com/foo';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(400, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('invalid_url', $data->error);
  }

  public function testMissingCode() {
    $response = $this->token(['source' => 'http://example.com/']);

    $body = $response->getContent();
    $this->assertEquals(400, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('invalid_request', $data->error);
  }

  public function testNoLinkHeaders() {
    $url = 'http://private.example.com/no-link-headers';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);
    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('no_token_endpoint', $data->error);
  }

  public function testNoTokenEndpointOneLinkHeader() {
    $url = 'http://private.example.com/no-token-endpoint-one-link-header';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('no_token_endpoint', $data->error);
  }

  public function testNoTokenEndpointTwoLinkHeaders() {
    $url = 'http://private.example.com/no-token-endpoint-two-link-headers';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('no_token_endpoint', $data->error);
  }

  public function testTokenEndpointInOAuth2Rel() {
    $url = 'http://private.example.com/oauth2-token-endpoint';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals('1234', $data->access_token);
  }

  public function testTokenEndpointInIndieAuthRel() {
    $url = 'http://private.example.com/token-endpoint';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals('1234', $data->access_token);
  }

  public function testTokenEndpointWithMultipleRelLinks() {
    $url = 'http://private.example.com/multiple-rels';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(200, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectNotHasAttribute('error', $data);
    $this->assertEquals('1234', $data->access_token);
  }

  public function testBadTokenEndpointResponse() {
    $url = 'http://private.example.com/token-endpoint-bad-response';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(400, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('this-string-passed-through-from-token-endpoint', $data->error);
  }

  public function testTokenEndpointTimeout() {
    $url = 'http://private.example.com/token-endpoint-timeout';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(400, $response->getStatusCode());
    $data = json_decode($body);

    $this->assertObjectHasAttribute('error', $data);
    $this->assertEquals('timeout', $data->error);
  }

  public function testTokenEndpointReturnsNotJSON() {
    $url = 'http://private.example.com/token-endpoint-notjson';
    $response = $this->token(['source' => $url, 'code' => '1234']);

    $body = $response->getContent();
    $this->assertEquals(400, $response->getStatusCode());
    $this->assertEquals('text/plain', $response->headers->get('content-type'));
    $this->assertEquals('Invalid request', $body);
  }

}